Home / 130,565.52-180,235.53-88,181.46

Finding the Fourth Proportional to 130,565.52, 180,235.53 and 88,181.46

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Solution

The fourth proportional to 130,565.52, 180,235.53 and 88,181.46 is: 121,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,565.52 : 180,235.53 = 88,181.46 : x
  2. Step 2: Convert to fraction form
    130,565.52/180,235.53 = 88,181.46/x
  3. Step 3: Cross multiply
    130,565.52x = 180,235.53 × 88,181.46
  4. Step 4: Simplify right side
    130,565.52x = 15,893,432,179.27
  5. Step 5: Solve for x
    x = 15,893,432,179.27/130,565.52
  6. Step 6: Final answer
    x = 121,727.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.